If it's intentional, it's clever, LOL.

Hm, I'd suggest it's a reference to The Phil Silvers Show, from the "golden" era of television comedy.

Phil Silvers played "Sergeant Bilko," a US Military man who was always scamming himself into and out of trouble. As the root word "bilk" suggests, Master Sergeant Bilko was essentially a fraud in high places, untrustworthy, scheming, deceitful... you get the picture.

The reason they probably picked on Bilko is that the readers of the Radio Times (the BBC's tame TV & radio listings mag) voted it their favourite sitcom, ahead of MASH, Fawlty Towers, and all the other obvious possibilities.